Active Weather Alerts
Dense Fog Advisory
Issued: 12:52 PM Mar. 4, 2026 – National Weather Service
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING... * WHAT...Visibility one quarter mile or less in areas of dense fog. * WHERE...Boone, De Kalb, Lee, Ogle, Winnebago, Kane, Lake IL, McHenry, and Northern Cook Counties. * WHEN...Until 9 AM CST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Patchy slick spots may be encountered on untreated elevated surfaces where temperatures are still at or below freezing in far northeastern Illinois. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. &&
Local Radar